Unfortunately Dexter, the entire 902-927 Mhz band is an ISM band and we
amateurs must share it (and put up with) with all sorts of 900 MHZ
consumer and commercial devices such as cordless phones, cordless
intercom systems (order takers at the fast food places), walkie-talkies,
wireless utility meter transmitters, security video/audio systems,
wireless LAN components, etc. that have now populated the band.
Ron
WW8RR
-----Original Message-----
From: vhfcontesting-bounces@contesting.com
[mailto:vhfcontesting-bounces@contesting.com] On Behalf Of Dexter
McIntyre W4DEX
Sent: Friday, August 08, 2008 10:40 AM
To: VHF Contesting email
Subject: Re: [VHFcontesting] [VHF] 902.010 for contests?
Zack Widup wrote:
> 902 is a lot quieter. I notice the noise floor to be a lot less on 902
> as compared to 903.
>
>
Zack,
I bought a LO crystal to make the change to 902 several years ago but
haven't done so yet. I use a DEMI xverter with a FT-221 IF and the IF
radio will not tune down to 143.100 MHz. However I have patched the
xverter IF output into a FT-817 I recently bought used which has no TX
output. Since it will tune 143 MHz I have listened on 902.100 just to
see how the noise was. At my QTH the noise floor is the same as at 903
but what I do hear right on 903.100 is a continuous FM signal on which I
often hear something like "I'll take chicken nuggets and a Pepsi" Are
fast food joints allowed to use this frequency?
W4DEX
_______________________________________________
VHFcontesting mailing list
VHFcontesting@contesting.com
http://lists.contesting.com/mailman/listinfo/vhfcontesting
_______________________________________________
VHFcontesting mailing list
VHFcontesting@contesting.com
http://lists.contesting.com/mailman/listinfo/vhfcontesting
|